Nortel Networks Circuit Card - Manual (Page 21)

Page 21 of 906
Circuit Card Description and Installation
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About this document
This document is a global document. Contact your system supplier or your
Nortel representative to verify that the hardware and software described are
supported in your area.
Subject
This document outlines the functions, specifications, applications, and
operation of the various circuit cards.
Note 1: Line cards – This information is intended to be used as a guide
when connecting the line cards to customer-provided station equipment.
Note 2: Trunk cards – This information is intended to be used as a guide
when connecting the trunk cards to customer-provided equipment and
central office trunk facilities.
Note 3: MSDL card – This card provides multiple interface types with
four full-duplex serial I/O ports that can be independently configured for
various operations. Peripheral software downloaded to the MSDL
controls functionality for each port.
Note 4: Synchronous operation is permitted on all MSDL ports. Port 0
can be configured as an asynchronous Serial Data Interface (SDI).
For detailed procedures for removing a specific circuit card and installing a
replacement, see Communication Server 1000M and Meridian 1:
Large System Maintenance (553-3021-500).
For a description of all administration programs and maintenance programs,
see the Software Input/Output: Administration (553-3001-311). For